Finding the Fourth Proportional to 263,565,091.80, 395,347,637.70 and 195,540,643.80
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Solution
The fourth proportional to 263,565,091.80, 395,347,637.70 and 195,540,643.80 is: 293,310,965.70
Step by Step Solution
- Step 1: Write the proportion equation
263,565,091.80 : 395,347,637.70 = 195,540,643.80 : x - Step 2: Convert to fraction form
263,565,091.80/395,347,637.70 = 195,540,643.80/x - Step 3: Cross multiply
263,565,091.80x = 395,347,637.70 × 195,540,643.80 - Step 4: Simplify right side
263,565,091.80x = 77,306,531,600,667,152 - Step 5: Solve for x
x = 77,306,531,600,667,152/263,565,091.80 - Step 6: Final answer
x = 293,310,965.70
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.